Die-casting die for automobile engine cylinder cover

Abstract

The utility model discloses an automobile engine cylinder cover die-casting die, which relates to the technical field of die-casting dies and comprises a base, an adjusting mechanism, a connecting component, a die-casting component, a sealing component, a buffering component and a guide component. The middle of the upper side of the base is fixedly connected with a lower die plate, the upper side of the lower die plate is fixedly connected with a lower die block, the middle of the upper side of the lower die block is provided with a fixed die, the upper side of the fixed die is provided with a die-casting assembly, the upper side of the die-casting assembly is provided with an upper die plate, and the upper side of the upper die plate is fixedly connected with an upper die block. An adjusting mechanism is arranged in the first fixing frame, the inner side of the adjusting mechanism is connected with the upper die block through a connecting assembly, and a sealing assembly is arranged between the lower die block and the upper die block, so that generated vibration and impact force can be reduced, the precision and quality of die-casting products are prevented from being affected, the stability of the die is improved, and the offset phenomenon during die casting is avoided; the die-casting precision and the die quality can be improved, and product forming is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of die casting moulds, in particular to a die casting mould for a cylinder cover of an automobile engine. Background Art

[0002] The engine cylinder head usually integrates the manifold, water jacket and labyrinth structure, etc. It has a complex shape and compact structure, and is a key part that affects the engine performance. The engine cylinder head is usually obtained through a casting process, and its size requires high precision, clear and complete contours, dense internal structure of the casting, and no casting defects such as pores and shrinkage. The engine cylinder head will produce pores during the casting process, which affects the quality of the cylinder head. With the development of casting technology, die casting can avoid the existence of pores in the cylinder head and improve the success rate of cylinder head casting.

[0003] The existing die-casting mold is not firmly fixed when the fixed mold and the movable mold are matched, and internal stress is easily generated during fixation, which will damage the mold itself and is not conducive to the molding of the product; furthermore, the stability of the movable mold in the existing die-casting mold is poor, and the deviation phenomenon will occur during die-casting, which will affect the quality of the mold, and the existing die-casting mold has poor shock absorption and anti-buffering effects. The vibration and impact force generated during mold closing are easy to affect the precision and quality of the die-casting product, which will cause certain losses to the user. For this reason, we propose a die-casting mold for an automobile engine cylinder head. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a die-casting mold for a cylinder head of an automobile engine, which can reduce the vibration and impact force generated, avoid affecting the precision and quality of the die-casting products, improve the stability of the mold, avoid the phenomenon of deviation during die-casting, improve the die-casting precision and the quality of the mold, facilitate the molding of the product, and effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: A die-casting mold for a cylinder head of an automobile engine comprises a base, an adjustment mechanism, a connecting component, a die-casting component, a sealing component, a buffer component and a guide component;

[0006] A lower template is fixedly connected to the middle of the upper side of the base, a lower module is fixedly connected to the upper side of the lower template, a fixed mold is provided in the middle of the upper side of the lower module, a die-casting assembly is provided on the upper side of the fixed mold, an upper template is provided on the upper side of the die-casting assembly, an upper module is fixedly connected to the upper side of the upper template, a first fixing frame is fixedly provided on the left and right sides of the upper module, an adjustment mechanism is provided inside the first fixing frame, the inner side of the adjustment mechanism is connected to the upper module through a connecting assembly, a sealing assembly is provided between the lower module and the upper module, four evenly distributed buffer assemblies are provided between the lower template and the lower module, and four evenly distributed guide assemblies are provided between the base and the lower template;

[0007] The adjusting mechanism includes a T-shaped slide groove, a T-shaped slider, a cylinder, a second fixed frame, a slide groove and a slider. The first fixed frame is provided with a T-shaped slide groove inside, a T-shaped slider is slidably arranged inside the T-shaped slide groove, the upper side of the T-shaped slider is fixedly connected to the output shaft of the cylinder, the cylinder is fixed to the upper side of the first fixed frame through the second fixed frames on the front and rear sides, the first fixed frame is provided with slide grooves on the front and rear sides, and a slider is slidably arranged inside the slide groove.

[0008] Starting cylinder 1 can drive T-shaped slider 1 to move up and down inside the T-shaped slide groove. At the same time, the slider can move up and down inside the slide groove, playing the role of auxiliary connection, and can realize the up and down adjustment of the lower template, which is convenient for subsequent die-casting operations and conducive to product molding.

[0009] Furthermore, the connecting assembly includes a U-shaped slide, a connecting rod 1, a U-shaped fixed frame and a connecting rod 2. The U-shaped slide is slidably sleeved on the outer side of the first fixed frame, and the U-shaped fixed frame is fixedly sleeved on the outer side of the first fixed frame. The inner side of the U-shaped slide is fixedly connected to the T-shaped slider 1 and the slider respectively. The outer side of the U-shaped slide is fixedly connected to two symmetrically distributed connecting rods 1, and the two connecting rods 1 are fixedly connected to the left and right sides of the upper module. The inner side of the U-shaped fixed frame is fixedly connected to two symmetrically distributed connecting rods 2, and the two connecting rods 2 are fixedly connected to the left and right sides of the lower template.

[0010] When the T-shaped slide block 1 moves up and down inside the T-shaped slide groove, the U-shaped slide frame can slide up and down outside the first fixing frame along with the up and down movement of the T-shaped slide block 1, thereby facilitating the adjustment of the position of the upper module and ensuring a stable connection.

[0011] Furthermore, the die-casting assembly includes a movable mold, a hydraulic cylinder and a connecting shaft. The movable mold is slidably provided on the lower side of the upper module, the upper side of the movable mold is fixedly connected to the bottom of the connecting shaft, and the connecting shaft passes through the upper module and the upper template and is fixedly connected to the output shaft of the hydraulic cylinder.

[0012] After the upper mold plate is moved downward, the hydraulic cylinder is started to push the connecting shaft downward, and at the same time drive the movable mold downward to cooperate with the fixed mold for die casting.

[0013] Furthermore, the sealing assembly includes a sealing groove and a sealing strip. The sealing groove is opened on the lower side of the movable mold, and the sealing strip is fixedly connected to the upper side of the fixed mold. The sealing groove and the sealing strip are used in conjunction with each other.

[0014] The sealing groove is used in conjunction with the sealing strip to keep the die-casting process in a sealed state to prevent internal objects from being squeezed to the outside.

[0015] Furthermore, the buffer assembly includes a piston cylinder, a limit plate, a cylindrical compression spring and a piston rod. Four evenly distributed piston cylinders are fixedly provided on the upper side of the lower template. A limit plate is slidably provided inside the piston cylinder. The bottom of the limit plate is fixedly connected to the top of the cylindrical compression spring. The bottom of the cylindrical compression spring is fixedly connected to the bottom end of the piston cylinder. The upper side of the limit plate is fixedly connected to the piston rod. The piston rod passes through the through hole on the upper side of the piston cylinder and is fixedly connected to the bottom of the lower module.

[0016] During the die-casting process, when the lower die block is subjected to the die-casting force, the lower die block transmits the force to the piston rod, and the piston rod presses the limit plate downward. The limit plate presses the cylindrical compression spring downward inside the piston cylinder to buffer the die-casting force and improve the buffering effect. When closing the mold, pressing the cylindrical compression spring can reduce the vibration and impact force generated, avoid affecting the precision and quality of the die-casting product, and improve the stability of the mold.

[0017] Furthermore, the guide assembly includes a guide column and a guide sleeve. The four corners on the upper side of the base are fixedly connected with the guide columns, and the four corners on the bottom of the upper template are fixedly installed with the guide sleeves. The guide sleeves are used in conjunction with the guide columns.

[0018] The guide column is vertically arranged on the base and can slide inside the guide sleeve, playing a guiding role in the entire die-casting process, avoiding the phenomenon of deviation during die-casting, and improving the die-casting accuracy.

[0019] Compared with the prior art, the utility model has the following beneficial effects: the automobile engine cylinder head die casting mold has the following advantages:

[0020] 1. By starting the cylinder 1, the T-shaped slider 1 can be driven to move up and down inside the T-shaped slide groove. At the same time, the slider can move up and down inside the slide groove, playing the role of auxiliary connection, and can realize the up and down adjustment of the lower template, which is convenient for subsequent die-casting operations and is conducive to product molding. When the T-shaped slider 1 moves up and down inside the T-shaped slide groove, the U-shaped slide can slide up and down on the outside of the first fixed frame as the T-shaped slider 1 moves up and down, thereby facilitating the adjustment of the position of the upper module and ensuring a stable connection.

[0021] 2. During the die-casting process, when the lower die block is subjected to the die-casting force, the lower die block transmits the force to the piston rod, and the piston rod presses the limit plate downward. The limit plate presses the cylindrical compression spring downward inside the piston cylinder to buffer the die-casting force and improve the buffering effect. When closing the mold, pressing the cylindrical compression spring can reduce the vibration and impact force generated, avoid affecting the precision and quality of the die-casting products, and improve the stability of the mold.

[0022] 3. The guide column is vertically arranged on the base and can slide inside the guide sleeve, which guides the entire die-casting process, avoids the phenomenon of deviation during die-casting, and improves the die-casting accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model.

[0024] Figure 2 It is a schematic diagram of the front section of the structure of the utility model.

[0025] Figure 3 It is a left-side sectional schematic diagram of the structure of the utility model.

[0026] In the figure: 1 base, 11 lower template, 12 lower module, 13 fixed mold, 14 upper template, 15 upper module, 2 first fixed frame, 3 adjustment mechanism, 31 T-shaped slide, 32 T-shaped slider 1, 33 cylinder 1, 34 second fixed frame, 35 slide, 36 slider, 4 connecting assembly, 41 U-shaped slide, 42 connecting rod 1, 43 U-shaped fixed frame, 44 connecting rod 2, 5 die-casting assembly, 51 movable mold, 52 hydraulic cylinder, 53 connecting shaft, 6 sealing assembly, 61 sealing groove, 62 sealing strip, 7 buffer assembly, 71 piston cylinder, 72 limit plate, 73 cylindrical compression spring, 74 piston rod, 8 guide assembly, 81 guide column, 82 guide sleeve. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-3 , This embodiment provides a technical solution: A die-casting mold for a cylinder head of an automobile engine includes a base 1, an adjustment mechanism 3, a connecting component 4, a die-casting component 5, a sealing component 6, a buffer component 7 and a guide component 8;

[0029] A lower template 11 is fixedly connected to the middle of the upper side of the base 1, a lower module 12 is fixedly connected to the upper side of the lower template 11, a fixed mold 13 is provided in the middle of the upper side of the lower module 12, a die-casting component 5 is provided on the upper side of the fixed mold 13, an upper template 14 is provided on the upper side of the die-casting component 5, an upper module 15 is fixedly connected to the upper side of the upper template 14, a first fixed frame 2 is fixedly provided on the left and right sides of the upper module 15, an adjustment mechanism 3 is provided inside the first fixed frame 2, and the inner side of the adjustment mechanism 3 is connected to the upper module 15 through a connecting component, a sealing component 6 is provided between the lower module 12 and the upper module 15, four evenly distributed buffer components 7 are provided between the lower template 11 and the lower module 12, and four evenly distributed guide components 8 are provided between the base 1 and the lower template 11;

[0030] The adjusting mechanism 3 includes a T-shaped slide groove 31, a T-shaped slider 32, a cylinder 33, a second fixed frame 34, a slide groove 35 and a slider 36. The first fixed frame 2 is provided with a T-shaped slide groove 31 inside, and a T-shaped slider 32 is slidably arranged inside the T-shaped slide groove 31. The upper side of the T-shaped slider 32 is fixedly connected to the output shaft of the cylinder 33. The cylinder 33 is fixed to the upper side of the first fixed frame 2 through the second fixed frames 34 on the front and rear sides. The first fixed frame 2 is provided with slide grooves 35 on the front and rear sides, and a slider 36 is slidably arranged inside the slide groove 35.

[0031] Starting the cylinder 33 can drive the T-shaped slider 32 to move up and down inside the T-shaped slide groove 31. At the same time, the slider 36 can move up and down inside the slide groove 35, playing the role of auxiliary connection, and can realize the up and down adjustment of the lower template 11, which is convenient for subsequent die-casting operations and conducive to product molding.

[0032] Among them, the connecting component 4 includes a U-shaped slide 41, a connecting rod 1 42, a U-shaped fixed frame 43 and a connecting rod 2 44. The U-shaped slide 41 is slidably sleeved on the outer side of the first fixed frame 2, and the U-shaped fixed frame 43 is fixedly sleeved on the outer side of the first fixed frame 2. The inner side of the U-shaped slide 41 is fixedly connected to the T-shaped slider 1 32 and the slider 36 respectively. The U-shaped slide 41 is fixedly connected to two symmetrically distributed connecting rods 1 42 on the outside, and the two connecting rods 1 42 are fixedly connected to the left and right sides of the upper module 15. The inner side of the U-shaped fixed frame 43 is fixedly connected to two symmetrically distributed connecting rods 2 44, and the two connecting rods 2 44 are fixedly connected to the left and right sides of the lower template 11.

[0033] When the T-shaped slider 32 moves up and down inside the T-shaped slot 31, the U-shaped slider 41 can slide up and down outside the first fixing frame 2 along with the up and down movement of the T-shaped slider 32, thereby facilitating the adjustment of the position of the upper module 15 and ensuring a stable connection.

[0034] The die-casting assembly 5 includes a movable mold 51, a hydraulic cylinder 52 and a connecting shaft 53. The movable mold 51 is slidably provided on the lower side of the upper mold block 15. The upper side of the movable mold 51 is fixedly connected to the bottom of the connecting shaft 53. The connecting shaft 53 passes through the upper mold block 15 and the upper mold plate 14 and is fixedly connected to the output shaft of the hydraulic cylinder 52.

[0035] After the upper mold plate 14 is moved downward, the hydraulic cylinder 52 is started to push the connecting shaft 53 downward, and at the same time drive the movable mold 51 downward to cooperate with the fixed mold 13 for die casting.

[0036] The die-casting assembly 5 includes a movable mold 51, a hydraulic cylinder 52 and a connecting shaft 53. The movable mold 51 is slidably provided on the lower side of the upper mold block 15. The upper side of the movable mold 51 is fixedly connected to the bottom of the connecting shaft 53. The connecting shaft 53 passes through the upper mold block 15 and the upper mold plate 14 and is fixedly connected to the output shaft of the hydraulic cylinder 52.

[0037] After the upper mold plate 14 is moved downward, the hydraulic cylinder 52 is started to push the connecting shaft 53 downward, and at the same time drive the movable mold 51 downward to cooperate with the fixed mold 13 for die casting.

[0038] The buffer assembly 7 includes a piston cylinder 71, a limit plate 72, a cylindrical compression spring 73 and a piston rod 74. Four evenly distributed piston cylinders 71 are fixedly provided on the upper side of the lower mold plate 11. A limit plate 72 is slidably provided inside the piston cylinder 71. The bottom of the limit plate 72 is fixedly connected to the top of the cylindrical compression spring 73. The bottom of the cylindrical compression spring 73 is fixedly connected to the bottom end of the piston cylinder 71. The upper side of the limit plate 72 is fixedly connected to the piston rod 74. The piston rod 74 passes through the upper through hole of the piston cylinder 71 and is fixedly connected to the bottom of the lower module 12.

[0039] During the die-casting process, when the lower module 12 is subjected to the die-casting force, the lower module 12 transfers the force to the piston rod 74, and the piston rod 74 squeezes the limit plate 72 downward. The limit plate 72 squeezes the cylindrical compression spring 73 downward inside the piston cylinder 71, which plays a role in buffering the die-casting force and improving the buffering effect. When the mold is closed, pressing the cylindrical compression spring 73 can reduce the vibration and impact force generated, avoid affecting the accuracy and quality of the die-casting product, and improve the stability of the mold.

[0040] The guide assembly 8 includes a guide column 81 and a guide sleeve 82 . The four corners on the upper side of the base 1 are fixedly connected with the guide column 81 . The four corners on the bottom of the upper template 14 are fixedly installed with the guide sleeve 82 . The guide sleeve 82 cooperates with the guide column 81 for use.

[0041] The guide column 81 is vertically arranged on the base 1 and can slide inside the guide sleeve 82, playing a guiding role in the entire die-casting process, avoiding the deviation phenomenon during die-casting, and improving the die-casting accuracy.

[0042] The working principle of a die-casting mold for an automobile engine cylinder head provided by the utility model is as follows: placing the material in the fixed mold 13, starting the cylinder 33, which can drive the T-shaped slider 32 to move up and down inside the T-shaped slide groove 31, and at the same time, the slider 36 can move up and down inside the slide groove 35, playing a role of auxiliary connection, and can realize the up and down adjustment of the lower template 11, which is convenient for subsequent die-casting operations and is beneficial to the molding of the product. When the T-shaped slider 32 moves up and down inside the T-shaped slide groove 31, the U-shaped slide 41 can slide up and down on the outside of the first fixed frame 2 as the T-shaped slider 32 moves up and down, so as to facilitate the adjustment of the position of the upper module 15, and the connection is firm. The sealing groove 61 is used in conjunction with the sealing strip 62 to keep the die-casting process in a sealed state to prevent the internal objects from being squeezed to the outside, and the upper template 1 After moving downward, the hydraulic cylinder 52 is started, which can push the connecting shaft 53 to move downward, and at the same time drive the movable mold 51 downward to cooperate with the fixed mold 13 for die casting. During the die casting process, when the lower die block 12 is subjected to the die casting force, the lower die block 12 transmits the force to the piston rod 74, and the piston rod 74 presses the limit plate 72 downward. The limit plate 72 presses the cylindrical compression spring 73 downward inside the piston cylinder 71, which plays a role in buffering the die casting force and improving the buffering effect. When the mold is closed, pressing the cylindrical compression spring 73 can reduce the vibration and impact force generated, avoid affecting the accuracy and quality of the die casting product, and improve the stability of the mold. The guide column 81 is vertically arranged on the base 1 and can slide inside the guide sleeve 82, which plays a guiding role in the entire die casting process, avoids the phenomenon of deviation during die casting, and can improve the die casting accuracy.

[0043] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A die-casting mold for a cylinder head of an automobile engine, characterized in that: It comprises a base (1), an adjustment mechanism (3), a connection component (4), a die-casting component (5), a sealing component (6), a buffer component (7) and a guide component (8); A lower mold plate (11) is fixedly connected to the middle of the upper side of the base (1), a lower module (12) is fixedly connected to the upper side of the lower mold plate (11), a fixed mold (13) is provided in the middle of the upper side of the lower module (12), a die-casting assembly (5) is provided on the upper side of the fixed mold (13), an upper mold plate (14) is provided on the upper side of the die-casting assembly (5), an upper module (15) is fixedly connected to the upper side of the upper mold plate (14), a first fixed frame (2) is fixedly provided on the left and right sides of the upper module (15), an adjustment mechanism (3) is provided inside the first fixed frame (2), the inner side of the adjustment mechanism (3) is connected to the upper module (15) through a connecting assembly, a sealing assembly (6) is provided between the lower module (12) and the upper module (15), four evenly distributed buffer assemblies (7) are provided between the lower mold plate (11) and the lower module (12), and four evenly distributed guide assemblies (8) are provided between the base (1) and the lower mold plate (11); The adjusting mechanism (3) comprises a T-shaped slide groove (31), a T-shaped slide block (32), a cylinder (33), a second fixed frame (34), a slide groove (35) and a slide block (36); a T-shaped slide groove (31) is provided inside the first fixed frame (2); a T-shaped slide block (32) is slidably provided inside the T-shaped slide groove (31); the upper side of the T-shaped slide block (32) is fixedly connected to the output shaft of the cylinder (33); the cylinder (33) is fixed to the upper side of the first fixed frame (2) through the second fixed frames (34) at the front and rear sides; slide grooves (35) are provided on the front and rear sides of the first fixed frame (2); and a slide block (36) is slidably provided inside the slide groove (35).

2. The die-casting mold for a cylinder head of an automobile engine according to claim 1, characterized in that: The connecting assembly (4) comprises a U-shaped slide (41), a connecting rod 1 (42), a U-shaped fixed frame (43) and a connecting rod 2 (44); the U-shaped slide (41) is slidably sleeved on the outer side of the first fixed frame (2); the U-shaped fixed frame (43) is fixedly sleeved on the outer side of the first fixed frame (2); the inner side of the U-shaped slide (41) is fixedly connected to the T-shaped slide block 1 (32) and the slide block (36) respectively; the outer side of the U-shaped slide (41) is fixedly connected to two symmetrically distributed connecting rods 1 (42); the two connecting rods 1 (42) are fixedly connected to the left and right sides of the upper module (15); the inner side of the U-shaped fixed frame (43) is fixedly connected to two symmetrically distributed connecting rods 2 (44); the two connecting rods 2 (44) are fixedly connected to the left and right sides of the lower template (11).

3. The die-casting mold for a cylinder head of an automobile engine according to claim 1, characterized in that: The die-casting assembly (5) comprises a movable die (51), a hydraulic cylinder (52) and a connecting shaft (53); the movable die (51) is slidably provided on the lower side of the upper die block (15); the upper side of the movable die (51) is fixedly connected to the bottom of the connecting shaft (53); the connecting shaft (53) passes through the upper die block (15) and the upper die plate (14) and is fixedly connected to the output shaft of the hydraulic cylinder (52).

4. The die-casting mold for a cylinder head of an automobile engine according to claim 1, characterized in that: The sealing assembly (6) comprises a sealing groove (61) and a sealing strip (62); the sealing groove (61) is provided on the lower side of the movable mold (51); the sealing strip (62) is fixedly connected to the upper side of the fixed mold (13); and the sealing groove (61) and the sealing strip (62) are used in conjunction with each other.

5. The die-casting mold for automobile engine cylinder head according to claim 1, characterized in that: The buffer assembly (7) comprises a piston cylinder (71), a limit plate (72), a cylindrical compression spring (73) and a piston rod (74); four piston cylinders (71) are fixedly arranged on the upper side of the lower mold plate (11) and are evenly distributed; a limit plate (72) is slidably arranged inside the piston cylinder (71); the bottom of the limit plate (72) is fixedly connected to the top of the cylindrical compression spring (73); the bottom of the cylindrical compression spring (73) is fixedly connected to the bottom end of the piston cylinder (71); the upper side of the limit plate (72) is fixedly connected to a piston rod (74); the piston rod (74) passes through a through hole on the upper side of the piston cylinder (71) and is fixedly connected to the bottom of the lower module (12).

6. The die-casting mold for automobile engine cylinder head according to claim 1, characterized in that: The guide assembly (8) comprises a guide column (81) and a guide sleeve (82); the four corners on the upper side of the base (1) are fixedly connected with the guide column (81); the four corners on the bottom of the upper template (14) are fixedly installed with the guide sleeve (82); the guide sleeve (82) and the guide column (81) are used in conjunction with each other.

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